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Diffstat (limited to 'examples/multimedia/video/qmlvideofilter_opencl/README')
| -rw-r--r-- | examples/multimedia/video/qmlvideofilter_opencl/README | 24 |
1 files changed, 12 insertions, 12 deletions
diff --git a/examples/multimedia/video/qmlvideofilter_opencl/README b/examples/multimedia/video/qmlvideofilter_opencl/README index c239bed2f..96b812b8e 100644 --- a/examples/multimedia/video/qmlvideofilter_opencl/README +++ b/examples/multimedia/video/qmlvideofilter_opencl/README @@ -1,18 +1,18 @@ -This example performs some simple OpenCL operations on camera or video input which -is assumed to be provided in RGB format. The OpenCL operation is done on an -OpenGL texture using CL-GL interop, without any further readbacks or copies +This example performs some simple OpenCL operations on camera or video input +which is assumed to be provided in RGB format. The OpenCL operation is done on +an OpenGL texture using CL-GL interop, without any further readbacks or copies (except for the initial texture upload, when necessary). -Currently only OS X and Windows with desktop OpenGL (opengl32.dll) are supported. -On Windows you may need to edit testplugin.pro to specify the location of the OpenCL -headers and libraries. +Currently OS X, Windows with real OpenGL (opengl32.dll) and Linux (GLX only) are +supported. Note that an OpenCL implementation with GPU support is required. The +platform and device selection logic supports NVIDIA, AMD and Intel. Porting to +other platforms is probably simple, see clCreateContextFromType. -Note that an OpenCL implementation with GPU support is required. -The platform and device selection logic supports NVIDIA and Intel. -Porting to other platforms is probably simple, see clCreateContextFromType. -Note however that YUV formats, that are commonly used also for camera input -on some platforms, are not supported in this example. +On Windows you may need to edit testplugin.pro to specify the location of the +OpenCL headers and libraries. + +YUV formats are not supported in this example. This is probably not an issue an +OS X and Windows, but will most likely disable the example on Linux. Pass the name of a video file to perform video playback or launch without arguments to use the camera. - |